import java.util.concurrent.atomic.AtomicInteger;

public class Demo36 {
    //将count变量定义成原子类
    private static AtomicInteger count=new AtomicInteger(0);
    public static void main(String[] args) throws InterruptedException {
        Thread t1=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                //count++; 这种是错误的写法，因为在Java中不支持运算符重载（类对象不能带配运算符使用）
                count.getAndIncrement();
                //++count;
               //count.incrementAndGet();
                //count--;
                //count.getAndDecrement();
               // --count;
                //count.decrementAndGet();
                //count+=n;
                //count.addAndGet(n);
            }
        });
        Thread t2=new Thread(()->{
            for (int i = 0; i < 50000; i++) {
                count.getAndIncrement();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("count="+count);
    }
}
